David J. Powers & Associates provides professional consulting services to public agencies and private developers in all areas of environmental planning.  Our employees are specialists in both Federal and California environmental laws, particularly the California Environmental Quality Act (CEQA) and the National Environmental Policy Act (NEPA).

Our Principals and Project Managers have experience in all sectors of urban development and transportation, including: General Plans, Specific Plans, and municipal ordinances; industrial, commercial, residential, and mixed-use development; public facilities, parks and trails; and a wide range of infrastructure, transit, and transportation projects.  Please see our Projects page for a small sample of our recent projects.

Unsure whether your project requires environmental compliance?  Give us a call.

California Environmental Quality Act (CEQA) Compliance

  • Environmental Impact Report (EIR)
  • Initial Study
  • Mitigated Negative Declaration (MND)
  • Negative Declaration (ND)
  • Categorical Exemption
  • SB 375 Infill Streamlining
  • Mitigation, Monitoring, and Reporting Programs (MMRP)
  • California State Revolving Funds (CEQA-Plus)

National Environmental Policy Act (NEPA) Compliance

  • Environmental Impact Statement (EIS)
  • Environmental Assessment (EA)
  • Categorical Exclusion (CE)
  • Findings of No Significant Impact (FONSI)
  • Department of Housing and Urban Development (HUD) Environmental Assessments


  • Caltrans Local Assistance
  • Section 106 National Historic Preservation Act
  • Section 4(f) Department of Transportation Act
  • Section 7 Endangered Species Act
  • Clean Air Act Conformity
  • Clean Water Act
  • Executive Order 11990 (Wetland Protection)


  • Santa Clara Valley Habitat Plan Conformity
  • U.S. Army Corps of Engineers (Section 404)
  • Regional Water Quality Control Board (Section 401)
  • California Department of Fish and Wildlife (Section 1600 & 2081)
  • Joint Aquatic Resource Permit Applications (JARPAs)

Project Analyses

  • Opportunities and Environmental Constraints Analysis
  • Alternatives Analysis
  • Community Impact/Environmental Justice Analysis

Consulting Services

  • Project Scoping
  • Purpose and Need Identification
  • Interagency Coordination
  • Stakeholder Engagement
  • City Council and Planning Commission Presentations
  • Community Meeting Facilitation


Cities and Towns

City of Albany

City of Burlingame

City of Brentwood

City of Campbell

City of Concord

City of Cupertino

City of Dublin

City of East Palo Alto

City of Fremont

City of Gilroy

City of Hayward

City of Hollister

City of King City

City of Los Altos

City of Menlo Park

City of Milpitas

City of Morgan Hill

City of Mountain View

City of Newark

City of Novato

City of Oakland

City of Palo Alto

City of Redwood City

City of San José

City of San Mateo

City of Sand City

City of Santa Clara

City of Santa Cruz

City of Saratoga

City of Scotts Valley

City of Sunnyvale

City of Union City

City of Watsonville

Town of Los Gatos

Town of Portola Valley


County of Alameda

County of Amador

County of Fresno

County of Kings

County of Marin

County of Merced

County of Monterey

County of Placer

County of San Benito

County of San Mateo

County of Santa Clara

County of Santa Cruz

Special Purpose Regional Agencies

Alameda County Transportation Commission

Amador County Transportation Commission

Bay Area Rapid Transit (BART)

Bay Area Toll Authority

Midpeninsula Regional Open Space District

Monterey County Water Resources Agency

San Benito County Water District

San Francisco County Transportation Authority

San Mateo County Transportation Authority

Santa Clara County Housing Authority

Santa Clara Valley Transportation Authority

Santa Clara Valley Water District

Silicon Valley Clean Water (formerly SBSA)

Sonoma County Transportation Authority

Sunnyslope County Water District

Solano Transportation Authority

Sonoma County Transportation Authority

Sunnyvale County Water District

Transportation Authority of Marin

Educational Districts and Institutions

Alum Rock Union School District

Belmont-Redwood Shores School District

Burlingame School District

Cupertino Union School District

East Side Union High School District

Escuela Popular

Franklin McKinley School District

Fremont Union High School District

Gavilan Joint Community College Distrct

Los Gatos Union School District

Los Gatos-Saratoga Union High School District

Mountain View-Los Altos Union High School District

Morgan Hill Unified School District

Ohlone Community College District

Oakland Unified School District

Redwood City School District

Rocketship Schools

Santa Clara Unified School District

Sunnyvale School District

Bellarmine College Preparatory

Cambridge Academy

Carden Academy

Challenger Schools

Harker School

Morgan Hill Catholic High School

Presentation High School

Santa Clara University

Steindorf School

Valley Christian Schools


State and Federal Agencies

California Department of Transportation

California Department of Fish and Wildlife

Federal Aviation Administration

Federal Transit Agency

Federal Highway Administration

Office of Real Estate Development Services

U.S. Army Corps of Engineers

U.S. Department of Housing and Urban Development

U.S. Health Resources and Services Administration

U.S. Fish and Wildlife Service

Planning and Architectural Service Firms

Alta Planning

Callandar Associates


Kenneth Rodrigues & Partners, Inc.



Perkins & Will

Steinberg Architects

Verde Design

Engineering Firms

Biggs Cardosa Associates

BKF Engineers

Cornerstone Earth Group

Carollo Engineers

Fehr & Peers

Harris & Associates

Hexagon Transportation Consultants

HMH Engineers


Kennedy/Jenks Consultants

Mark Thomas & Company

Moffatt & Nichol



Rajappan & Meyer

Ruth & Going


Schaaf & Wheeler

TY Lin

URS Corporation

WMH Corporation


Developers and Real Estate Advisors

Amerco Real Estate / U-Haul – Construction

Barry Swenson

Boston Properties

Citation Homes

City Ventures

DiNapoli Capital Partners

Dollinger Properties

Equity Office

Federal Realty Investment Trust

Greystar Development

KB Home

KT Properties

Menlo Equities

Morley Brothers


Prometheus Real Estate Group

Robson Homes

Saris Regis

SiliconSage Builders

Sullivan Development Group

SummerHill Homes

The Flea Market, Inc.


The Sobrato Organization

The Riding Group

Toeniskoetter Real Estate

Toll Brothers

Trammell Crow Company

Trumark Companies

ROEM Development

High-Tech Companies and Private Firms

3COM Corporation

Applied Materials

Cedar Fair

Cisco Systems




Galante Bros. Concrete

Hewlett Packard

Hitachi GST, a Western Digital Company


iStar Financial

Kaiser Permanente


San Jose Earthquakes


Sun Microsystems

Univision Communications

Varian Medical Systems

Westfield Corporation